CN205099544U - Food industry sewage treatment system - Google Patents
Food industry sewage treatment system Download PDFInfo
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- CN205099544U CN205099544U CN201520779780.4U CN201520779780U CN205099544U CN 205099544 U CN205099544 U CN 205099544U CN 201520779780 U CN201520779780 U CN 201520779780U CN 205099544 U CN205099544 U CN 205099544U
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Abstract
The utility model discloses a food industry sewage treatment system, food industry sewage treatment system includes the sump pit, the water conservancy sieve, just heavy pond, the equalizing basin, the UASB reactor, the CASS reactor, sand filter and stream sand filter, the food industry sewage of sump pit passes through the elevator pump and gets into the water conservancy sieve, the water conservancy sieve, just heavy pond, the equalizing basin, the UASB reactor, the CASS reactor, the sand filter passes through the pipeline with stream sand filter and communicates in proper order, the equalizing basin passes through the pipeline intercommunication with the CASS reactor, be equipped with marsh gas recycle system on the UASB reactor, food industry sewage treatment system is still including the cooling tower that is arranged in cooling off equalizing basin food industry sewage. The utility model discloses a food industry sewage treatment system can realize food industry sewage and control to the full equipment in a water stage from intaking that application scope is wider, and operation maintenance is convenient.
Description
Technical field
The utility model belongs to Sewage treatment systems field, particularly relates to a kind of WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system.
Background technology
Along with greatly developing of foodstuffs industry, the sewage quantity of annual discharge is very large, and the sewage disposal dynamics after discharge is inadequate, does a lot of damage to environment.More there is the scope of application in existing WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY device limited, treatment effect is poor, cost intensive, Operation and Maintenance is loaded down with trivial details, consume the problem that Energy resources are large, when productive capacity significantly changes or sewage characteristic suddenlys change, sewage disposal demand cannot be met, also may occur the infringement to Sewage treatment systems.
Summary of the invention
The utility model provides a kind of WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system, this system can realize foodstuffs industry sewage from water inlet to the full device control in water outlet stage, the scope of application is comparatively wide, and convenient operating maintenance, can successfully manage productive capacity and significantly change or sewage characteristic catastrophe.
The technical solution adopted in the utility model is: a kind of WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system, described WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system comprises pump well, hydraulic screen, preliminary sedimentation tank, equalizing tank, UASB reactor, CASS reactor, sand filter and shifting sand filter, the foodstuffs industry sewage of pump well enters hydraulic screen by lift pump, hydraulic screen, preliminary sedimentation tank, equalizing tank, UASB reactor, CASS reactor, sand filter is communicated with by pipeline successively with shifting sand filter, equalizing tank and CASS reactor pass through pipeline communication, UASB reactor is provided with methane recycling system, WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system also comprises the cooling tower for cooling foodstuffs industry sewage in equalizing tank.
In technique scheme, the foodstuffs industry sewage of pump well enters hydraulic screen by lift pump, then successively through the process of hydraulic screen, preliminary sedimentation tank, equalizing tank, if sewage treatment load is in the processing load of UASB reactor, then the water outlet of equalizing tank enters UASB reactor, CASS reactor, sand filter and shifting sand filter, qualified discharge after reactor for treatment at different levels successively; If sewage treatment load is more than the processing load of UASB reactor, due between equalizing tank and CASS reactor by pipeline communication, equalizing tank flow out part of contaminated water enter UASB reactor, with after after CASS reactor, sand filter and shifting sand filter process qualified discharge; Part of contaminated water then directly enters CASS reactor, with after after sand filter and shifting sand filter process qualified discharge; If sewage treatment load is lower, then the water outlet of equalizing tank directly enters CASS reactor, with after after sand filter and shifting sand filter process qualified discharge; If when sewage needs reuse, directly reuse can be discharged from CASS reactor.Therefore, WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system use range of the present utility model is wide, can adapt to the requirement of multiple-quality water process.
In technique scheme, pump well for collecting foodstuffs industry sewage, due in foodstuffs industry sewage, suspension content is higher, and when wastewater suspended substance content is higher, a large amount of suspended substance enters UASB reactor, the loss of anaerobic sludge can be caused on the one hand, and increase subsequent treatment process load.Simultaneously inanimate matter can deposit in anaerobic reactor as diatomite etc., ties up the reactor useful space, and reduce sludge activity, therefore Sewage treatment systems front end is provided with hydraulic screen and preliminary sedimentation tank, for the partial suspended thing in decontaminated water, floating matter and can hypostasis.Because UASB reactor is comparatively responsive to water quality, the water yield and impact load, equalizing tank is set, water quality, the water yield, PH are carried out to adjustment and can ensure anaerobic reaction steady running.In order to prevent in equalizing tank precipitate buildup and produce peculiar smell because of anoxic, aeration can be carried out by gas-distributing fan.Organic acid, through UASB reactor, is resolved into methane and carbon dioxide under anerobe in the reactor, the hold concurrently absorption of oxygen bacterium, fermentation, methane phase acting in conjunction, can be improved the B/C value of waste water, improve the biodegradability of waste water by anaerobic treatment by sewage; The biogas produced enters methane recycling system, realizes the recycling of biogas, thus improves energy utilization rate.After the sewage flowed out through UASB reactor enters CASS reactor, because the microorganism in reactor is among aerobic, anoxic, anaerobism periodical change, thus make organism by the microbiological deterioration in pond, also there is good denitrogenation, phosphorus removal functional simultaneously.CASS reactor construction cost is low, eliminates secondary sedimentation basins and sludge reflux equipment; Technical process is simple, and running expense is low, and because aeration is periodic, in pond, dissolved oxygen is change, and precipitation and bleeding stage dissolved oxygen reduce, and when restarting aeration, oxygen concentration gradient greatly, and transfer efficiency is high, and energy-saving effect is remarkable; High to organic clearance, effluent quality is good; Management is simple, reliable, not easily sludge bulking occurs; Sludge yield is low, stable in properties.Mainly quartz sand in sand filter, for filtering the suspended substance of greater particle size further.Shifting sand filter is mainly used in filtering the less suspended substance of particle diameter further.Under the comprehensive action of above-mentioned structures, Sewage treatment systems of the present utility model can realize foodstuffs industry sewage from water inlet to the full device control in water outlet stage, convenient operating maintenance.
As the further improvement to technique scheme, described methane recycling system comprises the gas and water separator, desulfurizer, accumulator unit, supercharging equipment, back-fire relief purification divider and the methane boiler that are communicated with successively, and accumulator unit is also provided with pressure relief device.Biogas is separated with sewage through gas and water separator after producing from anaerobic UASB reactor, and effusion reactor, after Cemented filling goes out, then sloughs sulfur-bearing composition through desulfurizer, to reduce the subsequent contamination of biogas.In general, the process of biogas to substantially completing here, the using and storing mainly for biogas of follow-up link.After the biogas of desulfurization process enters accumulator unit, a part transfer out through pressure relief device, another part for the production of, biogas will be used by methane boiler.For the production of biogas enter supercharging equipment, then through back-fire relief purification divider shunt and prevent tempering, then enter methane boiler, heat under the effect of steam subsequently, for the production of.
As the further improvement to technique scheme, described desulfurizer is provided with inlet mouth, air outlet, is also provided with circulating water channel, cloth gas-bearing formation, packing layer from the bottom to top; The upper end of circulating water channel is provided with recirculated water entrance, and its lower end is provided with water port, has taken up alkaline liquid in it; Be provided with air distribution plate in cloth gas-bearing formation, air distribution plate is provided with pore; Be provided with filler in packing layer, the top of packing layer is provided with spray equipment, and spray equipment comprises at least one shower, and shower is provided with at least one nozzle, and shower is connected with recirculated water tank by volume pump.Alkali lye in circulating water channel enters spray equipment, and after spray equipment sprays, alkali lye is adsorbed on packing layer; Biogas containing hydrogen sulfide enters desulfurizer by inlet mouth, and by the even gas distribution of air distribution plate, the hydrogen sulfide containing biogas is attached to the alkali liquor absorption on packing layer, is removed by neutralization reaction; After packing layer is saturated, along with constantly spraying alkali lye, the alkali lye that part and hydrogen sulfide neutralize flows in circulating water channel, by continuous circulation, makes neutralization reaction continue to carry out.Filler material in packing layer is polypropylene or polyvinyl chloride, has that specific surface area is large, low pressure undermines the characteristics such as substance transfer is high.
As the further improvement to technique scheme, described back-fire relief purification divider connects the gas jet of described methane boiler by pipeline and by-pass valve control, gas jet is positioned at boiler furnace, and furnace mouth is provided with bellows.
As the further improvement to technique scheme, described WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system also comprises mud retrieving arrangement, described mud retrieving arrangement comprises sludge thickener, chemicals dosing plant and pressure filter, chemicals dosing plant is located in sludge thickener, the mud of described preliminary sedimentation tank and the excess sludge of described CASS reactor are delivered to sludge thickener, chemicals dosing plant adds medicament to sludge thickener, after sludge condensation process, forms mud cake through pressure filter dehydration.The medicament that chemicals dosing plant adds mainly contains sodium hydroxide, hydrochloric acid, iron trichloride.
As the further improvement to technique scheme, described pressure filter is belt filter press, and the filtrate of belt filter press is delivered to described CASS reactor.Filtrate is degraded by microorganisms in CASS pond, avoids the pollution of filtrate to environment.
As the further improvement to technique scheme, described equalizing tank is provided with water vapor input aperture, workshop, and the pipeline between equalizing tank and described UASB reactor is provided with salkali waste input aperture, workshop.Be sent in UASB way at sewage, the salkali waste from workshop will be injected into, and together enter in UASB, because of microbial metabolism, the situation of mud acidifying may be there is in UASB, affect treatment effect, salkali waste is added UASB and suitably can regulate potential of hydrogen, make system run under normal acid-base condition as far as possible.
As the further improvement to technique scheme, described WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system also comprises accident pool, accident pool is communicated with described preliminary sedimentation tank with described hydraulic screen respectively by pipeline, and the pipeline on the pipeline between accident pool and hydraulic screen and between accident pool and preliminary sedimentation tank is respectively equipped with valve.Generally accident pool is not enabled, unless Sewage treatment systems occurs high-concentration waste water suddenly, so high-concentration waste water will be discharged into accident pool, avoids high density chemical substance to produce damaging influence to the microorganism in subsequent disposal link.
As the further improvement to technique scheme, described WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system also comprises Pasteur's scale tank, and water outlet is discharged through Pasteur's scale tank.Pasteur's scale tank can be used for measuring the water yield.
Relative to prior art, the beneficial effects of the utility model are:
1, in WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system of the present utility model, all water pool equipments, realize foodstuffs industry sewage from water inlet to the full device control in water outlet stage, be convenient to systematically, neatly control sewage treatment process, successfully manage productive capacity significantly to change or sewage characteristic catastrophe, still can quick shift processing scheme when tackling different quality, thus the scope of application is comparatively wide, simultaneously convenient operating maintenance.
2, WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system of the present utility model belongs to piecing assembly Sewage treatment systems, and relative to traditional non-piecing assembly system, installation, manufacturing schedule can shorten half.
3, WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system of the present utility model, simple to operate, has good treatment effect, work as influent COD to foodstuffs industry sewage
crconcentration is 2500 ~ 4500mg/L, BOD
5concentration is 1000 ~ 2000mg/L, TSS concentration is 600 ~ 1500mg/L, when pH value is 2 ~ 12, can realize water outlet COD
cr<68mg/L, BOD
5<17mg/L, TSS<60mg/L, PH:6-9, ammonia nitrogen <12mg/L, total phosphorus <2.5mg/L, average every day, the discharge of sewage can reach 3000m
3/ sky.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system;
Fig. 2 is the structural representation of the methane recycling system of the utility model WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system;
Fig. 3 is the structural representation of the desulfurizer of the methane recycling system of the utility model WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system;
Fig. 4 is the structured flowchart of the mud retrieving arrangement of the utility model WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
A kind of WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system as shown in Figure 1, WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system comprises pump well 1, hydraulic screen 2, preliminary sedimentation tank 3, equalizing tank 4, UASB reactor 5, CASS reactor 6, sand filter 7 and shifting sand filter 8, the foodstuffs industry sewage of pump well 1 enters hydraulic screen 2 by lift pump 9, hydraulic screen 2, preliminary sedimentation tank 3, equalizing tank 4, UASB reactor 5, CASS reactor 6, sand filter 7 is communicated with by pipeline successively with shifting sand filter 8, equalizing tank 4 and CASS reactor 6 pass through pipeline communication, UASB reactor 5 is provided with methane recycling system 51, WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system also comprises the cooling tower 10 for cooling foodstuffs industry sewage in equalizing tank 4.
The foodstuffs industry sewage of pump well 1 enters hydraulic screen 2 by lift pump 9, then successively through the process of hydraulic screen 2, preliminary sedimentation tank 3, equalizing tank 4, if sewage treatment load is in the processing load of UASB reactor 5, then the water outlet of equalizing tank 4 enters UASB reactor 5, CASS reactor 6, sand filter 7 and shifting sand filter 8, qualified discharge after reactor for treatment at different levels successively; If sewage treatment load is more than the processing load of UASB reactor 5, due between equalizing tank 4 and CASS reactor 5 by pipeline communication, equalizing tank 4 flow out part of contaminated water enter UASB reactor 5, with after through CASS reactor 6, sand filter 7 and shifting sand filter 8 process after qualified discharge; Part of contaminated water then directly enters CASS reactor 6, with after after sand filter 7 and shifting sand filter 8 process qualified discharge; If sewage treatment load is lower, then the water outlet of equalizing tank 4 directly enters CASS reactor 5, with after after sand filter 7 and shifting sand filter 8 process qualified discharge; If when sewage needs reuse, directly reuse can be discharged from CASS reactor 6.Therefore, WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system use range of the present utility model is wide, can adapt to the requirement of multiple-quality water process.
Preferably, equalizing tank 4 is provided with water vapor input aperture, workshop, pipeline between equalizing tank 4 and described UASB reactor 5 is provided with salkali waste input aperture, workshop, and be sent in UASB reactor 5 way at sewage, the salkali waste from workshop will be injected into, together enter in UASB reactor 5, because of microbial metabolism, the situation of mud acidifying may be there is in UASB reactor 5, affect treatment effect, salkali waste is added UASB reactor 5 and suitably can regulate potential of hydrogen, make system run under normal acid-base condition as far as possible.
Preferably, WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system also comprises accident pool 11, accident pool 11 is communicated with preliminary sedimentation tank 3 with hydraulic screen 2 respectively by pipeline, and the pipeline on the pipeline between accident pool 11 and hydraulic screen 2 and between accident pool 11 and preliminary sedimentation tank 3 is respectively equipped with valve.Generally accident pool 11 is not enabled, unless Sewage treatment systems occurs high-concentration waste water suddenly, so high-concentration waste water will be discharged into accident pool, avoids high density chemical substance to produce damaging influence to the microorganism in subsequent disposal link.
Preferably, described WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system also comprises Pasteur's scale tank 12, and water outlet is discharged through Pasteur's scale tank 12, and Pasteur's scale tank can be used for measuring the water yield.
Preferably, as shown in Figure 2, described methane recycling system 51 comprises the gas and water separator 511, desulfurizer 512, accumulator unit 513, supercharging equipment 514, back-fire relief purification divider 515 and the methane boiler 516 that are communicated with successively, and accumulator unit 513 is also provided with pressure relief device 517.Biogas is separated with sewage through gas and water separator 511 after producing from anaerobic UASB reactor 5, and effusion reactor, after Cemented filling goes out, then sloughs sulfur-bearing composition through desulfurizer 512, to reduce the subsequent contamination of biogas.In general, the process of biogas to substantially completing here, the using and storing mainly for biogas of follow-up link.After the biogas of desulfurization process enters accumulator unit 513, a part transfer out through pressure relief device 517, another part for the production of, biogas will be used by methane boiler 516.For the production of biogas enter supercharging equipment 514, then through back-fire relief purification divider 515 shunt and prevent tempering, then enter methane boiler 516, heat under the effect of steam subsequently, for the production of.
More preferably, as shown in Figure 3, desulfurizer 512 is provided with inlet mouth 5121, air outlet 5122, is also provided with circulating water channel 5123, cloth gas-bearing formation 5124, packing layer 5125 from the bottom to top; The upper end of circulating water channel 5123 is provided with recirculated water entrance 5126, and its lower end is provided with water port 5127, has taken up alkaline liquid in it; Be provided with air distribution plate in cloth gas-bearing formation 5124, air distribution plate is provided with pore; Filler is provided with in packing layer 5125, the top of packing layer 5125 is provided with spray equipment 5128, spray equipment 5128 comprises at least one shower 51281, and shower 51281 is provided with at least one nozzle 51282, and shower 51281 is connected with recirculated water tank 5123 by volume pump 5129.Alkali lye in circulating water channel 5123 enters spray equipment 5128, and after spray equipment 5128 sprays, alkali lye is adsorbed on packing layer 5125; Biogas containing hydrogen sulfide enters desulfurizer 512 by inlet mouth 5121, and by the even gas distribution of air distribution plate, the hydrogen sulfide containing biogas is attached to the alkali liquor absorption on packing layer 5125, is removed by neutralization reaction; After packing layer 5125 is saturated, along with constantly spraying alkali lye, the alkali lye that part and hydrogen sulfide neutralize flows in circulating water channel 5123, by continuous circulation, makes neutralization reaction continue to carry out.Filler material in packing layer 5125 is polypropylene or polyvinyl chloride, has that specific surface area is large, low pressure undermines the characteristics such as substance transfer is high.
More preferably, back-fire relief purification divider 515 connects the gas jet of described methane boiler 516 by pipeline and by-pass valve control, gas jet is positioned at boiler furnace, and furnace mouth is provided with bellows 5161.
Preferably, WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system also comprises mud retrieving arrangement 13, mud retrieving arrangement 13 comprises sludge thickener 131, chemicals dosing plant 132 and pressure filter 133, chemicals dosing plant 132 is located in sludge thickener 131, the mud of preliminary sedimentation tank 3 and the excess sludge of CASS reactor 6 are delivered to sludge thickener 131, chemicals dosing plant 132 adds medicament to sludge thickener 131, after sludge condensation process, dewaters form mud cake through pressure filter 133.The medicament that chemicals dosing plant 132 adds mainly contains sodium hydroxide, hydrochloric acid, iron trichloride.More preferably, pressure filter 133 is belt filter press, and the filtrate of belt filter press is delivered to CASS reactor 6.Filtrate is degraded by microorganisms in CASS reactor 6, avoids the pollution of filtrate to environment.
Application examples
In rich (Jishui) the beer project of Budweiser English, inlet COD concentration fluctuates in 3300-3600mg/L scope, sometimes COD can reach 4000mg/L, and after WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system of the present utility model process, water outlet is basically stable at below 68mg/L.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and replacement, these improve and replace and also should be considered as protection domain of the present utility model.
Claims (7)
1. a WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system, it is characterized in that: described WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system comprises pump well, hydraulic screen, preliminary sedimentation tank, equalizing tank, UASB reactor, CASS reactor, sand filter and shifting sand filter, the foodstuffs industry sewage of pump well enters hydraulic screen by lift pump, hydraulic screen, preliminary sedimentation tank, equalizing tank, UASB reactor, CASS reactor, sand filter is communicated with by pipeline successively with shifting sand filter, equalizing tank and CASS reactor pass through pipeline communication, UASB reactor is provided with methane recycling system, WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system also comprises the cooling tower for cooling foodstuffs industry sewage in equalizing tank.
2. WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system as claimed in claim 1, it is characterized in that: described methane recycling system comprises the gas and water separator, desulfurizer, accumulator unit, supercharging equipment, back-fire relief purification divider and the methane boiler that are communicated with successively, and accumulator unit is also provided with pressure relief device.
3. WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system as claimed in claim 1, it is characterized in that: described WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system also comprises mud retrieving arrangement, described mud retrieving arrangement comprises sludge thickener, chemicals dosing plant and pressure filter, chemicals dosing plant is located in sludge thickener, the mud of described preliminary sedimentation tank and the excess sludge of described CASS reactor are delivered to sludge thickener, chemicals dosing plant adds medicament to sludge thickener, after sludge condensation process, forms mud cake through pressure filter dehydration.
4. WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system as claimed in claim 3, it is characterized in that: described pressure filter is belt filter press, the filtrate of belt filter press is delivered to described CASS reactor.
5. WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system as claimed in claim 1, it is characterized in that: described equalizing tank is provided with workshop vapor inlet port, the pipeline between equalizing tank and described UASB reactor is provided with salkali waste input aperture, workshop.
6. WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system as claimed in claim 1, it is characterized in that: described WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system also comprises accident pool, accident pool is communicated with described preliminary sedimentation tank with described hydraulic screen respectively by pipeline, and the pipeline on the pipeline between accident pool and hydraulic screen and between accident pool and preliminary sedimentation tank is respectively equipped with valve.
7. the WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system as described in claim arbitrary in claim 1 ~ 6, is characterized in that: described WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system also comprises Pasteur's scale tank, and water outlet is discharged through Pasteur's scale tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520779780.4U CN205099544U (en) | 2015-10-09 | 2015-10-09 | Food industry sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520779780.4U CN205099544U (en) | 2015-10-09 | 2015-10-09 | Food industry sewage treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN205099544U true CN205099544U (en) | 2016-03-23 |
Family
ID=55515335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520779780.4U Withdrawn - After Issue CN205099544U (en) | 2015-10-09 | 2015-10-09 | Food industry sewage treatment system |
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| CN (1) | CN205099544U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105198163A (en) * | 2015-10-09 | 2015-12-30 | 广州研华环境科技有限公司 | Food industry sewage treatment system and method |
| CN107098539A (en) * | 2017-05-16 | 2017-08-29 | 张阳康 | A kind of WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system |
-
2015
- 2015-10-09 CN CN201520779780.4U patent/CN205099544U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105198163A (en) * | 2015-10-09 | 2015-12-30 | 广州研华环境科技有限公司 | Food industry sewage treatment system and method |
| CN107098539A (en) * | 2017-05-16 | 2017-08-29 | 张阳康 | A kind of WASTEWATER TREATMENT OF FOOD PROCESSING INDUSTRY system |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20160323 Effective date of abandoning: 20180119 |
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| AV01 | Patent right actively abandoned |